package database.service;

import java.util.Iterator;

import po.BookInventoryPO;

public interface BookInventoryDataService {
	
	public void load();
	public void save();
	
	public Iterator<BookInventoryPO> getIterator();
	
	public int insert(BookInventoryPO book);
	public void delete(BookInventoryPO book);
	public void update(BookInventoryPO book);
	public BookInventoryPO find(int id);

}
